<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta http-equiv="X-UA-Compatible" content="IE=edge" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>Document</title>
    <style>
      body {
        margin: 0;
      }

      html,
      body {
        height: 100%;
      }
      .error-page-main {
        position: relative;
        padding-top: 50px;
        text-align: center;
      }
      .error-page-main__tip-img {
        max-width: 100%;
        width: 220px;
        height: 200px;
      }
      .error-page-main__code {
        position: absolute;
        top: 82px;
        left: 50%;
        width: 56px;
        margin-left: -108px;
        color: #888;
        font-size: 16px;
      }
      .error-page-main__message {
        padding: 3px 0 10px;
        font-size: 16px;
        color: #666;
      }
      .error-page-main__primary-btn {
        min-width: 120px;
        height: 40px;
        line-height: 40px;
        padding-left: 10px;
        padding-right: 10px;
        border: none;
        border-radius: 4px;
        color: #fff;
        font-size: 16px;
        background-color: #e6454a;
      }
      .error-page-main__primary-btn:active {
        background-color: rgba(230, 69, 74, 0.8);
      }
    </style>
  </head>
  <body>
    <div class="error-page-main">
      <img
        class="error-page-main__tip-img"
        src="../img/tip-img.png"
        alt="错误提示" />
      <span class="error-page-main__code js-code">503</span>
      <p class="error-page-main__message js-message">系统繁忙，请稍后重试！</p>
      <button class="error-page-main__primary-btn js-primary-btn">返回</button>
    </div>
  </body>
</html>